stack up — English Dictionary

Verb

1. to put into a stack.

   Usage

   • Transitive

   Examples

   Stack up the boxes.

2. to pile up; to accumulate.

   Usage

   • Intransitive

   Synonyms

   pile upstackadd up

3. To put a group of abstract things together.

   Usage

   • idiomatic
   • Transitive

   Examples

   to stack up memories

4. Often followed by against or among: to compare with (something); to measure up.

   Examples

   "How Populations Stack Up Among Nations At War" (name of the article)

   This is a great outline. Fantastic. If yours doesn't stack up, you won't get a chance to look at it.

   More examples (2)

   [Raheem] Sterling's attitude and ability is never in doubt, never ducking a challenge or dropping his intensity, but the numbers are simply not stacking up at England level.

   Meaney said the rail industry needs to be honest with itself when discussing major investment projects, and to ask if the business case stacks up.

Verb

1. arrange into piles or stacks

   Synonyms

   pile upheap up

   Broader terms

   gathergarnercollectpull together

   Examples

   She piled up her books in my living room